题目内容
【题目】Only when your identity has been checked ______.
A．you are allowed to B．you will be allowed in
C．will you allow in D．will you be allowed in
【答案】D
【解析】句意：只有当你的身份被检查后，你才被允许进去。only置于句首修饰时间状语从句when your identity has been checked，从句不倒装，主句要进行部分倒装，根据句意，是“被允许”，是被动语态，故选D项。
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